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Starch/PVOH aqueous solutions: a chemical-physical characterization
This work investigates the relationship between the structure and physicochemical properties of three different starches in starch/polyvinyl alcohol aqueous solutions. For this purpose, accurate nuclear magnetic resonance (NMR) analyses were performed to determine the role that the starch structure...
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| Published in: | Physical chemistry chemical physics : PCCP 2023-10, Vol.25 (38), p.2614-2622 |
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| Main Authors: | , , , , , , |
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| Language: | English |
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| container_end_page | 2622 |
| container_issue | 38 |
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| container_title | Physical chemistry chemical physics : PCCP |
| container_volume | 25 |
| creator | Caputo, Paolino Loise, Valeria Colella, Maria Francesca Porto, Michele Salvino, Rosachiara A Oliviero Rossi, Cesare De Luca, Giuseppina |
| description | This work investigates the relationship between the structure and physicochemical properties of three different starches in starch/polyvinyl alcohol aqueous solutions. For this purpose, accurate nuclear magnetic resonance (NMR) analyses were performed to determine the role that the starch structure plays in the formation of binder solutions. Moreover, a dynamic shear rheometer (DSR) was used to investigate the mechanical properties of the solutions and correlate them with the structure of each starch. Complete characterization of the analysed starches and the starch/PVOH solutions was also carried out through light scattering measurements. Furthermore, by crossing the data coming from NMR and light scattering with those coming from rheology, the best solution was identified. Finally, to confirm the interaction mechanism between starch and PVOH, thermogravimetric analysis and an NMR study, using
1
H and
13
C NMR spectra, were carried out on the film obtained from the best solution. The analyses carried out showed that PVOH has a stabilizing effect on starch/PVOH solutions, and the starch with the greatest branching degree is the one that forms a more structured network.
This work investigates the relationship between the structure and physicochemical properties of three different starches in starch/polyvinyl alcohol aqueous solutions. |
| doi_str_mv | 10.1039/d3cp03043a |
| format | article |
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1
H and
13
C NMR spectra, were carried out on the film obtained from the best solution. The analyses carried out showed that PVOH has a stabilizing effect on starch/PVOH solutions, and the starch with the greatest branching degree is the one that forms a more structured network.
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1
H and
13
C NMR spectra, were carried out on the film obtained from the best solution. The analyses carried out showed that PVOH has a stabilizing effect on starch/PVOH solutions, and the starch with the greatest branching degree is the one that forms a more structured network.
This work investigates the relationship between the structure and physicochemical properties of three different starches in starch/polyvinyl alcohol aqueous solutions.</description><subject>Aqueous solutions</subject><subject>Light scattering</subject><subject>Mechanical properties</subject><subject>NMR</subject><subject>Nuclear magnetic resonance</subject><subject>Polyvinyl alcohol</subject><subject>Rheological properties</subject><subject>Rheology</subject><subject>Starches</subject><subject>Thermogravimetric analysis</subject><issn>1463-9076</issn><issn>1463-9084</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><recordid>eNpd0M9LwzAUB_AgCs7pxbtQ8CJC3UuTtIm3UX9MGGzg8Fpek5R1dGtN2sP8622dTPD0Ho8Pjy9fQq4pPFBgamKYboABZ3hCRpTHLFQg-elxT-JzcuH9BgCooGxE0vcWnV5Plh-LWYCfna07H_i66tqy3vnHAAO9tttSYxU2670flv6CDnVrXfmFA7skZwVW3l79zjFZvTyv0lk4X7y-pdN5qBmoNkQwibQ6B8O5iW2sGM8ZE5AYq60uIFKFhIgLVWCeoJFGC2lykQsUCmLJxuTu8LZxdR_Ut9m29NpWFe6G1FkkY0mppEr19PYf3dSd2_XhepVElEkpB3V_UNrV3jtbZI0rt-j2GYVsqDN7Yunyp85pj28O2Hl9dH91s28O2nFC</recordid><startdate>20231004</startdate><enddate>20231004</enddate><creator>Caputo, Paolino</creator><creator>Loise, Valeria</creator><creator>Colella, Maria Francesca</creator><creator>Porto, Michele</creator><creator>Salvino, Rosachiara A</creator><creator>Oliviero Rossi, Cesare</creator><creator>De Luca, Giuseppina</creator><general>Royal Society of Chemistry</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0001-6019-1089</orcidid><orcidid>https://orcid.org/0009-0008-6905-0985</orcidid><orcidid>https://orcid.org/0000-0002-1561-5214</orcidid><orcidid>https://orcid.org/0000-0002-7509-2232</orcidid><orcidid>https://orcid.org/0000-0003-3472-7710</orcidid><orcidid>https://orcid.org/0000-0001-5156-5077</orcidid></search><sort><creationdate>20231004</creationdate><title>Starch/PVOH aqueous solutions: a chemical-physical characterization</title><author>Caputo, Paolino ; Loise, Valeria ; Colella, Maria Francesca ; Porto, Michele ; Salvino, Rosachiara A ; Oliviero Rossi, Cesare ; De Luca, Giuseppina</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c309t-a0d78ecb0d44d6e6934b33507dececf029f802459fab7ad8dc58db5b5a590683</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Aqueous solutions</topic><topic>Light scattering</topic><topic>Mechanical properties</topic><topic>NMR</topic><topic>Nuclear magnetic resonance</topic><topic>Polyvinyl alcohol</topic><topic>Rheological properties</topic><topic>Rheology</topic><topic>Starches</topic><topic>Thermogravimetric analysis</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Caputo, Paolino</creatorcontrib><creatorcontrib>Loise, Valeria</creatorcontrib><creatorcontrib>Colella, Maria Francesca</creatorcontrib><creatorcontrib>Porto, Michele</creatorcontrib><creatorcontrib>Salvino, Rosachiara A</creatorcontrib><creatorcontrib>Oliviero Rossi, Cesare</creatorcontrib><creatorcontrib>De Luca, Giuseppina</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>MEDLINE - Academic</collection><jtitle>Physical chemistry chemical physics : PCCP</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Caputo, Paolino</au><au>Loise, Valeria</au><au>Colella, Maria Francesca</au><au>Porto, Michele</au><au>Salvino, Rosachiara A</au><au>Oliviero Rossi, Cesare</au><au>De Luca, Giuseppina</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Starch/PVOH aqueous solutions: a chemical-physical characterization</atitle><jtitle>Physical chemistry chemical physics : PCCP</jtitle><date>2023-10-04</date><risdate>2023</risdate><volume>25</volume><issue>38</issue><spage>2614</spage><epage>2622</epage><pages>2614-2622</pages><issn>1463-9076</issn><eissn>1463-9084</eissn><abstract>This work investigates the relationship between the structure and physicochemical properties of three different starches in starch/polyvinyl alcohol aqueous solutions. For this purpose, accurate nuclear magnetic resonance (NMR) analyses were performed to determine the role that the starch structure plays in the formation of binder solutions. Moreover, a dynamic shear rheometer (DSR) was used to investigate the mechanical properties of the solutions and correlate them with the structure of each starch. Complete characterization of the analysed starches and the starch/PVOH solutions was also carried out through light scattering measurements. Furthermore, by crossing the data coming from NMR and light scattering with those coming from rheology, the best solution was identified. Finally, to confirm the interaction mechanism between starch and PVOH, thermogravimetric analysis and an NMR study, using
1
H and
13
C NMR spectra, were carried out on the film obtained from the best solution. The analyses carried out showed that PVOH has a stabilizing effect on starch/PVOH solutions, and the starch with the greatest branching degree is the one that forms a more structured network.
This work investigates the relationship between the structure and physicochemical properties of three different starches in starch/polyvinyl alcohol aqueous solutions.</abstract><cop>Cambridge</cop><pub>Royal Society of Chemistry</pub><doi>10.1039/d3cp03043a</doi><tpages>9</tpages><orcidid>https://orcid.org/0000-0001-6019-1089</orcidid><orcidid>https://orcid.org/0009-0008-6905-0985</orcidid><orcidid>https://orcid.org/0000-0002-1561-5214</orcidid><orcidid>https://orcid.org/0000-0002-7509-2232</orcidid><orcidid>https://orcid.org/0000-0003-3472-7710</orcidid><orcidid>https://orcid.org/0000-0001-5156-5077</orcidid><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1463-9076 |
| ispartof | Physical chemistry chemical physics : PCCP, 2023-10, Vol.25 (38), p.2614-2622 |
| issn | 1463-9076 1463-9084 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_2868118199 |
| source | Royal Society of Chemistry Journals |
| subjects | Aqueous solutions Light scattering Mechanical properties NMR Nuclear magnetic resonance Polyvinyl alcohol Rheological properties Rheology Starches Thermogravimetric analysis |
| title | Starch/PVOH aqueous solutions: a chemical-physical characterization |
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